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Close-up of a Schlumbergera flower, showing part of the gynoecium (specifically the stigma and part of the style) and the stamens that surround it. Plant reproductive morphology is the study of the physical form and structure (the morphology) of those parts of plants directly or indirectly concerned with sexual reproduction.
Pumpkins just keep getting bigger and bigger each year, and scientists and farmers don't even know how large they can get. You're not imagining it. Pumpkins just keep getting bigger and bigger ...
Some analyses suggest that vegetative reproduction is a characteristic which makes a plant species more likely to become invasive. Since vegetative reproduction is often faster than sexual reproduction, it "quickly increases populations and may contribute to recovery following disturbance" (such as fires and floods). [16]
All species of squashes and pumpkins are native to the Western Hemisphere, and the ancestral members of the genus Cucurbita were present in the Americas before humans. [3] Squash are important food plants of the original people of the region, ranking next to maize and beans in many precolonial American economies. [3]
Here's how to grow your own pumpkins, including how to keep a pumpkin from rotting, when to plant seedlings, and when to pick them in the fall.
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According to the Oxford English Dictionary, the English word pumpkin derives from the Ancient Greek word πέπων (romanized pepōn), meaning 'melon'. [6] [7] Under this theory, the term transitioned through the Latin word peponem and the Middle French word pompon to the Early Modern English pompion, which was changed to pumpkin by 17th-century English colonists, shortly after encountering ...
Since even non-serotinous cones and woody fruits can provide protection from the heat of fire, [6] [7] the key adaptation of fire-induced serotiny is seed storage in a canopy seed bank, which can be released by fire. [8] The fire-release mechanism is commonly a resin that seals the fruit or cone scales shut, but which melts when heated.